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Approximately 10 million years ago, faults formed in this area which caused earthquakes. Over time, the block of earth west of the Teton fault shot upward, forming the Tetons, and the block of earth east of the fault dropped more than 20,000 feet (6,000 meters) forming the valley.
"There are moments when time stands still. You hope it will wait for you."
Dorothea Lange
© Copyright 2023 Elaine Hancock, All Rights Reserved
@B. Thomas: I agree, they seem to just rise out of nowhere. So different from what are called mountains along the East Coast!